CN110274535B - Outer ring detection device of outer spherical bearing - Google Patents
Outer ring detection device of outer spherical bearing Download PDFInfo
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- CN110274535B CN110274535B CN201910675238.7A CN201910675238A CN110274535B CN 110274535 B CN110274535 B CN 110274535B CN 201910675238 A CN201910675238 A CN 201910675238A CN 110274535 B CN110274535 B CN 110274535B
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- 238000001514 detection method Methods 0.000 title claims abstract description 68
- 238000005259 measurement Methods 0.000 claims abstract description 24
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides an outer lane detection device of outer spherical bearing, including the detection seat that can reciprocate, detection seat top installs the movable seat that can relative detection seat left and right rocking, and the movable seat top is used for supporting the outer lane of the outer spherical bearing of waiting to detect, is equipped with first fixed bolster, second fixed bolster and measurement support in the movable seat top, and corresponding first fixed fulcrum, second fixed fulcrum and measurement contact encircle around waiting to detect the outer lane and the directional outer lane of level, and first fixed fulcrum, second fixed fulcrum and measurement contact are located on the same horizontal plane and are distributed along same circumference. During measurement, the outer ring to be measured is limited on the movable seat which is adjusted to the horizontal position, the first fixed fulcrum, the second fixed fulcrum and the measurement contact point are all aligned to the radial highest point of the outer ring through the ascending and descending of the detection seat, and then whether the sphere degree of the outer ring meets the standard can be obtained through the left-right swinging of the movable seat.
Description
Technical Field
The invention relates to a bearing detection device, in particular to an outer ring detection device of an outer spherical bearing.
Background
In the automobile transmission system, like rotating motion parts with outer spherical structures such as a ball cage type retainer, an outer spherical bearing, a joint bearing, a ferrule, a steel ball and the like, various parameters of the spherical sphericity such as diameter, spherical roughness, spherical corrugation, spherical shape error and the like have higher requirements on shape and dimensional tolerance, are important quality indexes of the parts, have no good method for detection, are bottlenecks and difficulties in detection of quality control of the products, and always afflict the inspection work of the products. At present, the detection method of the parts is to detect the diameter size of the outer spherical surface of the detected parts with the outer spherical surface by an outside micrometer. This method has the following disadvantages: (1) When the outside micrometer measures, the outside spherical surface of the measured part is only in contact with two points, and the display size is only the distance between the two points, so that the outside spherical surface measuring device has no generality; (2) The two points contacted by the micrometer gauge head and the outer spherical surface of the workpiece do not necessarily pass through the center of the spherical surface, so that the measurement error is very large; (3) The repeatability error of the surface measurement is great because only two random points are measured; (4) the profile of the outer sphere cannot be detected. (5) Each time of measurement, the adjustment is required, the adjustment is greatly affected by human factors, the operation is difficult, the operation is inconvenient, the variability is large after the measurement is particularly carried out, and the measurement efficiency is low. In summary, the existing measurement method has the defects, and the defects become difficulties in detection and bottlenecks in quality control of the products.
Disclosure of Invention
The invention aims to solve the technical problem of providing the outer ring detection device of the outer spherical bearing, which can realize the detection of the sphericity of the outer ring of the outer spherical bearing, has high detection precision and is convenient to operate.
The technical scheme adopted for solving the technical problems is as follows: this outer lane detection device of outer spherical bearing, including detecting the seat, its characterized in that: the detection seat can reciprocate, detection seat top installs the movable seat that can detect the seat left and right swing relatively, and the top of movable seat is used for supporting the outer lane of the outer spherical bearing of waiting to detect be equipped with first fixed bolster, second fixed bolster and measurement support the top of movable seat, the head of first fixed bolster has first fixed fulcrum, the head of second fixed bolster has the second fixed fulcrum, the head of measurement support has the measurement contact, first fixed fulcrum, second fixed fulcrum and measurement contact encircle around the outer lane of the outer spherical bearing of waiting to detect and the horizontal direction is this outer lane, and, first fixed fulcrum, second fixed fulcrum and measurement contact are located same horizontal plane and along same circumference distribution.
In order to enable the first fixed fulcrum, the second fixed fulcrum and the measuring contact to better limit the outer ring of the outer spherical bearing to be detected, the first fixed fulcrum, the second fixed fulcrum and the measuring contact are respectively positioned on three endpoints of an isosceles right triangle, and the first fixed fulcrum and the second fixed fulcrum are positioned on two endpoints of a hypotenuse of the isosceles right triangle.
In order to enable the movable seat to swing smoothly left and right, the top of the movable seat is an inward concave arc surface, the bottom of the movable seat is an outward convex arc surface matched with the inward concave arc surface, a worm horizontally arranged is arranged in the detection seat, the tooth part of the worm is exposed out of the top of the detection seat, and the bottom of the movable seat is provided with an arc rack which is arranged along the direction of the worm and matched with the worm. Therefore, the movable seat can be driven to swing left and right only by rotating the worm, and the adjusting stroke is controllable.
Preferably, the top of detecting the seat is opened there is the recess of controlling to the distribution, the recess bottom has the bar opening of controlling to the distribution, the tooth portion of worm exposes in the recess through the bar opening, arc rack protruding locates the lower surface of movable seat, arc rack spacing in the recess and with the tooth portion of worm meshes.
In order to be convenient for adjust the upper surface of movable seat to horizontal position, the upper edge of detection seat leading flank has first scale, the lower edge of movable seat leading flank has the second scale that cooperatees with first scale, under the state that the zero scale mark of first scale and the zero scale mark of second scale align, the upper surface of movable seat is in horizontal position.
In order to realize the reciprocates of detecting the seat, detect the seat and include unable adjustment base and lift detection platform be fixed with vertical rack on unable adjustment base, at the internally mounted of lift detection platform with vertical rack engaged with gear, the gear is installed in the inner end of horizontal gear axle, the outer end of horizontal gear axle outwards stretches out and spacing on the lift detection platform.
In order to enable the up-and-down movement of the lifting detection table to be stable, the fixed base is fixedly provided with a guide column extending upwards, and a guide hole matched with the guide column is formed in a corresponding position of the lifting detection table.
In order to enable the detection device to detect the outer rings of the outer spherical bearings with different sizes, a first adjusting piece for adjusting the radial movement of the first fixed supporting point is arranged at the outer end of the first fixed support, and a second adjusting piece for adjusting the radial movement of the second fixed supporting point is arranged at the outer end of the second fixed support.
Further preferably, the first fixing support is connected with the measuring support through a first connecting arm, the second fixing support is connected with the measuring support through a second connecting arm, a supporting seat is arranged beside the detecting seat, and the first connecting arm, the second connecting arm and the measuring support are supported on the supporting seat.
As a preferable mode of any one of the above, a measuring meter capable of observing a moving distance of the measuring contact is attached to the measuring holder.
Compared with the prior art, the invention has the advantages that: the outer ring detection device of the outer spherical bearing is characterized in that a movable seat capable of swinging left and right is arranged at the top of a detection seat, a first fixed fulcrum, a second fixed fulcrum and a measurement contact above the movable seat encircle the outer ring of the outer spherical bearing to be detected and horizontally point to the outer ring, the first fixed fulcrum, the second fixed fulcrum and the measurement contact are positioned on the same horizontal plane and distributed along the same circumference, during measurement, the outer ring to be detected is limited on the movable seat which is adjusted to the horizontal position, the first fixed fulcrum, the second fixed fulcrum and the measurement contact are all aligned to the highest radial point of the outer ring through the ascending and descending of the detection seat, and then whether the sphere degree of the outer ring accords with the standard can be obtained through observing a measurement meter on a measurement support.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a partially exploded view of an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3 at another angle;
FIG. 5 is an exploded view of a test seat according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a lifting detection table according to an embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 6, taking the direction indicated by arrow a in fig. 1 as the right, the outer ring detection device of the outer spherical bearing of the present embodiment detects a seat 1 and a movable seat 2, the detection seat 1 can move up and down, the movable seat 2 is mounted on the top of the detection seat 1 and can swing left and right relative to the detection seat 1, and the top of the movable seat 2 is used for supporting an outer ring 10 of the outer spherical bearing to be detected.
The upper part of the movable seat 2 is provided with a first fixed support 3, a second fixed support 4 and a measuring support 5, the first fixed support 3 is connected with the measuring support 5 through a first connecting arm 81, the second fixed support 4 is connected with the measuring support 5 through a second connecting arm 82, a supporting seat 9 is arranged beside the detecting seat 1, and the first connecting arm 81, the second connecting arm 82 and the measuring support 5 are supported on the supporting seat 9.
The head of the first fixed support 3 has a first fixed fulcrum 31, the head of the second fixed support 4 has a second fixed fulcrum 41, and the head of the measuring support 5 has a measuring contact 51. The first fixed fulcrum 31, the second fixed fulcrum 41 and the measuring contact 51 are wrapped around the outer ring 10 of the outer spherical bearing to be detected and horizontally directed toward the outer ring 10, and the first fixed fulcrum 31, the second fixed fulcrum 41 and the measuring contact 51 are located on the same horizontal plane and distributed along the same circumference.
In the present embodiment, the first fixed fulcrum 31, the second fixed fulcrum 41, and the measurement contact 51 are located on three end points of an isosceles right triangle, respectively, and the first fixed fulcrum 31 and the second fixed fulcrum 41 are located on two end points of hypotenuses of the isosceles right triangles. In this way, the outer ring 10 can be reliably restrained by the first fixed fulcrum 31, the second fixed fulcrum 41 and the measuring contact 51. In addition, the outer end of the first fixed support 3 is provided with a first adjusting member 32 for adjusting the radial movement of the first fixed supporting point 31, the outer end of the second fixed support 4 is provided with a second adjusting member 42 for adjusting the radial movement of the second fixed supporting point 41, and when measuring the outer rings 10 with different sizes, the first adjusting member 32 and the second adjusting member 42 can be adjusted to enable the first fixed supporting point 31 and the second fixed supporting point 41 to move radially by the same distance, and accordingly, the measuring contact 51 extends or retracts in the radial direction by the corresponding distance. In addition, the measuring bracket 5 is provided with a measuring meter 52, typically, a dial gauge, and during the measuring process, the reading of the measuring meter 52 can reflect the moving distance of the measuring contact 51, so as to determine the sphericity of the outer ring 10.
The inspection seat 1 of the present embodiment includes a fixed base 15 and a lifting inspection table 16, and the lifting inspection table 16 can move up and down relative to the fixed base 15. The specific structure is as follows: the fixed base 15 is fixedly provided with a vertical rack 17, a gear 18 meshed with the vertical rack is arranged in the lifting detection table 16, the lifting detection table 6 is provided with first mounting holes 162 which are distributed in the front-back direction, the horizontal gear shaft 19 is arranged in the first mounting holes 162, the gear 18 is arranged at the inner end of the horizontal gear shaft 19, and the outer end of the horizontal gear shaft 19 extends outwards and is limited on the lifting detection table 16. In addition, a guide post 151 extending upward is fixed to the fixed base 15, and a guide hole 161 matching with the guide post is formed at a corresponding position of the elevation detection table 16, so as to guide the elevation movement of the elevation detection table 16.
In this embodiment, the top of the lifting detection table 16 is an inward concave arc surface 11, the top of the lifting detection table 16 is provided with grooves 12 distributed in a left-right direction, and the bottom of the grooves 12 is provided with bar-shaped openings 13 distributed in a left-right direction. A second mounting hole 163 is formed in the lifting detection table 16 in the left-right direction, the second mounting hole 163 is communicated with the strip-shaped opening 13, the worm 6 is mounted in the second mounting hole 163, and the tooth part of the worm 6 is exposed in the groove 12 through the strip-shaped opening 13. The movable seat 2 is arranged at the top of the lifting detection table 16, the bottom of the movable seat is an outer convex arc surface 21 matched with the inner concave arc surface 11, the lower surface of the movable seat 2 is convexly arranged on the arc rack 7 along the direction of the worm 6, and the arc rack 7 is limited in the groove 12 and meshed with the tooth part of the worm 6.
In addition, the upper edge of the front side of the lifting detection table 16 is provided with a first scale 14, the lower edge of the front side of the movable seat 2 is provided with a second scale 22 matched with the first scale, and the upper surface of the movable seat 2 is in a horizontal position in a state that the zero scale line of the first scale 14, namely the center scale, is aligned with the zero scale line of the second scale 22, namely the center scale.
When in use, firstly, the upper surface of the movable seat 2 is adjusted to the horizontal position by adjusting the worm 6; then, the outer ring 10 of the outer spherical bearing to be detected is placed on the movable seat 2, and the first fixed supporting point 31, the second fixed supporting point 41 and the measuring contact 51 are propped against the outer side surface of the outer ring 10; then, the horizontal gear shaft 19 is regulated to enable the lifting detection platform 16 to move up and down, correspondingly, the movable seat 2 and the outer ring 10 move up and down synchronously, and the outer ring 10 can be moved to the position where the first fixed supporting point 31, the second fixed supporting point 41 and the measuring contact point 51 are contacted with the highest radial point of the outer ring 10 can be obtained through the reading of the measuring meter 52; then, the outer ring 10 is horizontally rotated, so that the reading of the measuring meter 52 is kept unchanged in the rotating process, namely, the first fixed supporting point 31, the second fixed supporting point 41 and the measuring contact point 51 are always ensured to be positioned at the highest radial point of the outer ring 10 in the horizontal rotating process of the outer ring 10; finally, the worm 6 is adjusted to enable the movable seat 2 to swing left and right, the outer ring 10 swings synchronously, the spherical degree of the outer ring 10 can be obtained from the reading of the measuring meter 52, if the reading of the measuring meter 52 is kept unchanged or is changed within a set range, the spherical degree of the outer ring 10 meets the requirements, and if the reading of the measuring meter 52 is changed greatly, the spherical degree of the outer ring 10 does not meet the requirements.
While the foregoing is directed to the preferred embodiment of the present invention, it should be noted that many modifications and improvements may be made to the present invention by those skilled in the art without departing from the principles of the present invention, for example, a mechanism for driving the detecting seat 1 and the movable seat 2 to rotate horizontally and synchronously may be further provided, and the outer ring 10 may be driven to rotate horizontally by the mechanism, which is considered to be within the scope of the present invention.
Claims (10)
1. Outer lane detection device of outer sphere bearing, including detecting seat (1), its characterized in that: the detection seat (1) can reciprocate, detection seat (1) top is installed and is detected seat left and right swinging movable seat (2) relatively, and the top of movable seat (2) is used for supporting the outer lane of the ectosphere bearing of waiting to detect the top of movable seat (2) is equipped with first fixed bolster (3), second fixed bolster (4) and measures support (5), the head of first fixed bolster (3) has first fixed fulcrum (31), the head of second fixed bolster (4) has second fixed fulcrum (41), the head of measure support (5) has measurement contact (51), first fixed fulcrum (31), second fixed fulcrum (41) and measurement contact (51) encircle the periphery of the outer lane of ectosphere bearing of waiting to detect and the level is directional this outer lane, and, first fixed fulcrum (31), second fixed fulcrum (41) and measurement contact (51) are located same horizontal plane and distribute along same circumference, the top of detecting seat (1) is concave arc surface (11), the bottom of measuring support (5) is concave arc surface (21) and concave arc surface mutually.
2. The outer race detection device of an outer spherical bearing according to claim 1, characterized in that: the first fixed fulcrum (31), the second fixed fulcrum (41) and the measuring contact (51) are respectively positioned on three endpoints of an isosceles right triangle, and the first fixed fulcrum (31) and the second fixed fulcrum (41) are positioned on two endpoints of a hypotenuse of the isosceles right triangle.
3. The outer race detection device of an outer spherical bearing according to claim 1, characterized in that: the detection seat (1) internally provided with a worm (6) horizontally arranged, the tooth part of the worm (6) is exposed out of the top of the detection seat (1), and the bottom of the movable seat (2) is provided with an arc-shaped rack (7) which is arranged along the worm direction and matched with the worm.
4. The outer race detection device of an outer spherical bearing according to claim 3, characterized in that: the top of detection seat (1) is opened has left and right sides to recess (12) of distribution, recess (12) bottom has left and right sides to bar opening (13) of distribution, the tooth portion of worm (6) exposes in recess (12) through bar opening (13), arc rack (7) protruding are located the lower surface of movable seat (2), arc rack (7) are spacing in recess (12) and with the tooth portion of worm (6) meshes.
5. The outer race detection device of an outer spherical bearing according to claim 3, characterized in that: the upper edge of the front side of the detection seat (1) is provided with a first scale (14), the lower edge of the front side of the movable seat (2) is provided with a second scale (22) matched with the first scale, and the upper surface of the movable seat (2) is in a horizontal position in a state that zero scale marks of the first scale (14) and zero scale marks of the second scale (22) are aligned.
6. The outer race detection device of an outer spherical bearing according to claim 1, characterized in that: the detection seat (1) comprises a fixed base (15) and a lifting detection table (16), a vertical rack (17) is fixed on the fixed base (15), a gear (18) meshed with the vertical rack is mounted in the lifting detection table (16), the gear (18) is mounted at the inner end of a horizontal gear shaft (19), and the outer end of the horizontal gear shaft (19) extends outwards and is limited on the lifting detection table.
7. The outer race detection device of an outer spherical bearing according to claim 6, characterized in that: guide posts (151) extending upwards are fixed on the fixed base (15), and guide holes (161) matched with the guide posts are formed in corresponding positions of the lifting detection table (16).
8. The outer race detection device of an outer spherical bearing according to claim 1, characterized in that: the outer end of the first fixed support (3) is provided with a first adjusting piece (32) for adjusting the radial movement of the first fixed supporting point (31), and the outer end of the second fixed support (4) is provided with a second adjusting piece (42) for adjusting the radial movement of the second fixed supporting point (41).
9. The outer race detection device of an outer spherical bearing according to claim 1, characterized in that: the first fixing support (3) is connected with the measuring support (5) through a first connecting arm (81), the second fixing support (4) is connected with the measuring support (5) through a second connecting arm (82), a supporting seat (9) is arranged beside the detecting seat (1), and the first connecting arm (81), the second connecting arm (82) and the measuring support (5) are supported on the supporting seat (9).
10. The outer race detection device of an outer spherical bearing according to any one of claims 1 to 9, characterized in that: a measuring meter (52) capable of observing the moving distance of the measuring contact (51) is mounted on the measuring bracket (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910675238.7A CN110274535B (en) | 2019-07-25 | 2019-07-25 | Outer ring detection device of outer spherical bearing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910675238.7A CN110274535B (en) | 2019-07-25 | 2019-07-25 | Outer ring detection device of outer spherical bearing |
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| CN110274535A CN110274535A (en) | 2019-09-24 |
| CN110274535B true CN110274535B (en) | 2024-02-27 |
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| CN110906838B (en) * | 2019-12-13 | 2021-09-07 | 中国航发哈尔滨轴承有限公司 | Three-lobe bearing raceway profile measuring instrument |
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